
PIAA 19618 Xtreme White Plus
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Used for: Headlight Bulb High Beam and Low Beam(with halogen headlights)
Used for: Back Up Reverse Light Bulb (with halogen headlights)
Used for: Brake Light Bulb(with halogen headlights), Tail Light Bulb(with halogen headlights)
Used for: Daytime Running Light Bulb, Parking Light Bulb(Compare to original - Option 2)
Used for: Parking Light Bulb(Compare to original - Option 1)
Used for: Turn Signal Light Bulb Front
Used for: Turn Signal Light Bulb Rear(with halogen headlights)
Used for: Automatic Transmission Indicator Light Bulb
Used for: Dome Light Bulb
Used for: HVAC Temperature Control Bulb
Used for: HVAC Temperature Control Bulb
This 2018 Jeep Wrangler bulb size page is designed to help you verify the correct bulb by lighting position before you buy replacements. Because Wrangler lighting can vary by trim, market, body style, and package, it is important to match the bulb to the exact lamp location on your vehicle rather than relying on a single universal listing.
Use this guide to compare the front, rear, interior, and headlight-related bulb positions on the 2018 Jeep Wrangler. It separates halogen and LED-equipped setups so you can quickly identify the right fit for headlights, turn signals, brake lights, tail lights, reverse lights, marker lights, and cabin bulbs.
Fitment can differ between Wrangler trims and lighting packages, especially when comparing halogen headlights to LED-equipped models or vehicles that have been converted with aftermarket parts. Before ordering, check the bulb already installed in your Jeep and compare it to the position listed on this page. If your Wrangler has been modified with LED upgrades, replacement housings, or nonfactory bulbs, the original catalog size may not match what is currently in the lamp. Confirming the installed bulb is the safest way to avoid returns and ensure proper operation.
No. Trim level, body style, market, and lighting package can change the bulb size or the lamp design. Always match the bulb to the exact position on the vehicle.
The halogen headlight bulb listed for the 2018 Jeep Wrangler is H13 for both high beam and low beam.
The LED headlight setup is listed separately on this page. The chart identifies the headlight bulb position for LED-equipped models rather than using the halogen H13 bulb.
The front turn signal bulb listed for halogen-headlight models is 7440A.
The rear turn signal bulb listed for halogen-headlight models is 3157.
The rear turn signal bulb for LED-headlight models is listed separately on the page as an LED bulb position.
The brake light bulb for halogen-headlight models is 3157R.
The tail light bulb for halogen-headlight models is 3157R.
The back up reverse light bulb for halogen-headlight models is 7440.
The reverse light bulb for LED-headlight models is listed separately on the page as an LED bulb position.
The dome light bulb listed for this model is 912.
The HVAC temperature control bulb is listed as 194 or 7441.
The daytime running light bulb listed for the 2018 Jeep Wrangler is 7443.
Two parking light listings are shown: 7443 for one option and 7442NA for the compare-to-original option 1.
Yes. Checking the installed bulb is strongly recommended, especially if your Wrangler has LED conversions, aftermarket housings, or a previous owner changed the lighting setup.